/*

  * This file is part of dependency-check-maven.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  *

  * Copyright (c) 2015 Jeremy Long. All Rights Reserved.

  */

 package org.owasp.dependencycheck.maven;

 import java.io.File;

 import java.io.IOException;

 import java.util.Locale;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.MojoFailureException;

 import org.apache.maven.plugins.annotations.LifecyclePhase;

 import org.apache.maven.plugins.annotations.Mojo;

 import org.apache.maven.plugins.annotations.ResolutionScope;

 import org.owasp.dependencycheck.utils.Settings;

 /**

  * Maven Plugin that purges the local copy of the NVD data.

  *

  * @author Jeremy Long

  */

 @Mojo(

         name = "purge",

         defaultPhase = LifecyclePhase.GENERATE_RESOURCES,

         threadSafe = true,

         requiresDependencyResolution = ResolutionScope.NONE,

         requiresOnline = true

 )

 public class PurgeMojo extends BaseDependencyCheckMojo {

     /**

      * Returns false; this mojo cannot generate a report.

      *

      * @return <code>false</code>

      */

     @Override

     public boolean canGenerateReport() {

         return false;

     }

     /**

      * Purges the local copy of the NVD.

      *

      * @throws MojoExecutionException thrown if there is an exception executing the goal

      * @throws MojoFailureException thrown if dependency-check is configured to fail the build

      */

     @Override

     public void runCheck() throws MojoExecutionException, MojoFailureException {

         if (getConnectionString() != null && !getConnectionString().isEmpty()) {

             getLog().error("Unable to purge the local NVD when using a non-default connection string");

         } else {

             populateSettings();

             File db;

             try {

                 db = new File(Settings.getDataDirectory(), "dc.h2.db");

                 if (db.exists()) {

                     if (db.delete()) {

                         getLog().info("Database file purged; local copy of the NVD has been removed");

                     } else {

                         getLog().error(String.format("Unable to delete '%s'; please delete the file manually", db.getAbsolutePath()));

                     }

                 } else {

                     getLog().error(String.format("Unable to purge database; the database file does not exists: %s", db.getAbsolutePath()));

                 }

             } catch (IOException ex) {

                 getLog().error("Unable to delete the database");

             }

             Settings.cleanup();

         }

     }

     /**

      * Returns the report name.

      *

      * @param locale the location

      * @return the report name

      */

     @Override

     public String getName(Locale locale) {

         return "dependency-check-purge";

     }

     /**

      * Gets the description of the Dependency-Check report to be displayed in the Maven Generated Reports page.

      *

      * @param locale The Locale to get the description for

      * @return the description

      */

     @Override

     public String getDescription(Locale locale) {

         return "Purges the local cache of the NVD dataT.";

     }

 }